TITLE: GCN CIRCULAR NUMBER: 8624 SUBJECT: GRB 081204: Magellan observations DATE: 08/12/05 19:39:37 GMT FROM: Edo Berger at Harvard E. Berger and A. Rest (Harvard) report: "We observed the position of GRB 081204 (GCN 8614) with the LDSS3 instrument on the Magellan/Clay telescope. A total of 30 sec were obtained in r- and i-band on 2008 Dec 5.067 UT (8.86 hour after the burst). Within the XRT error circle (GCN 8620) we detect a single faint source with r=23.5+/-0.3 mag and i=23.0+/-0.2 mag located at: RA = 23:19:09.41 DEC = -60:13:31.4 (J2000) with an uncertainty of about 0.3" in each coordinate (astrometry relative to USNO-B). At the moment we have no information on whether the source is variable."